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+<hr><h1>unitime.cpp</h1><a href="unitime_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
+00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
+00008 <font class="comment"> *</font>
+00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
+00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
+00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
+00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
+00013 <font class="comment"> * any later version.</font>
+00014 <font class="comment"></font>
+00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
+00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
+00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
+00018 <font class="comment"> * General Public License for more details.</font>
+00019 <font class="comment"></font>
+00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
+00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
+00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
+00023 <font class="comment"> * MA 02111-1307, USA.</font>
+00024 <font class="comment"> */</font>
+00025
+00026 <font class="preprocessor">#include "<a class="code" href="stdnet_8h.html">stdnet.h</a>"</font>
+00027
+00028 <font class="preprocessor">#include "<a class="code" href="callback__client_8h.html">nel/net/callback_client.h</a>"</font>
+00029 <font class="preprocessor">#include "<a class="code" href="callback__server_8h.html">nel/net/callback_server.h</a>"</font>
+00030 <font class="preprocessor">#include "<a class="code" href="naming__client_8h.html">nel/net/naming_client.h</a>"</font>
+00031 <font class="preprocessor">#include "<a class="code" href="message_8h.html">nel/net/message.h</a>"</font>
+00032
+00033 <font class="preprocessor">#include "<a class="code" href="unitime_8h.html">nel/net/unitime.h</a>"</font>
+00034
+00035 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
+00036 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
+00037
+00038 <font class="keyword">namespace </font>NLNET
+00039 {
+00040
+<a name="l00041"></a><a class="code" href="classNLNET_1_1__CUniTime.html#r0">00041</a> <a class="code" href="namespaceNLMISC.html#a183">TTime</a> _CUniTime::_SyncUniTime = 0;
+<a name="l00042"></a><a class="code" href="classNLNET_1_1__CUniTime.html#r1">00042</a> <a class="code" href="namespaceNLMISC.html#a183">TTime</a> _CUniTime::_SyncLocalTime = 0;
+<a name="l00043"></a><a class="code" href="classNLNET_1_1__CUniTime.html#r2">00043</a> <font class="keywordtype">bool</font> _CUniTime::_Simulate = <font class="keyword">false</font>;
+00044
+<a name="l00045"></a><a class="code" href="classNLNET_1_1__CUniTime.html#p0">00045</a> <font class="keywordtype">bool</font> _CUniTime::Sync = <font class="keyword">false</font>;
+00046
+00047
+<a name="l00048"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d6">00048</a> <font class="keywordtype">void</font> _CUniTime::setUniTime (NLMISC::TTime uTime, NLMISC::TTime lTime)
+00049 {
+00050 <a class="code" href="debug_8h.html#a12">nlstop</a>;
+00051 <font class="comment">/* if (Sync)</font>
+00052 <font class="comment"> {</font>
+00053 <font class="comment"> TTime lt = getLocalTime ();</font>
+00054 <font class="comment"> TTime delta = uTime - lTime + _SyncLocalTime - _SyncUniTime;</font>
+00055 <font class="comment"></font>
+00056 <font class="comment"> nlinfo ("_CUniTime::setUniTime(%"NL_I64"d, %"NL_I64"d): Resyncing delta %"NL_I64"dms",uTime,lTime,delta);</font>
+00057 <font class="comment"> }</font>
+00058 <font class="comment"> else</font>
+00059 <font class="comment"> {</font>
+00060 <font class="comment"> nlinfo ("_CUniTime::setUniTime(%"NL_I64"d, %"NL_I64"d)",uTime,lTime);</font>
+00061 <font class="comment"> Sync = true;</font>
+00062 <font class="comment"> }</font>
+00063 <font class="comment"> _SyncUniTime = uTime;</font>
+00064 <font class="comment"> _SyncLocalTime = lTime;</font>
+00065 <font class="comment">*/</font>}
+00066
+<a name="l00067"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d7">00067</a> <font class="keywordtype">void</font> _CUniTime::setUniTime (NLMISC::TTime uTime)
+00068 {
+00069 <a class="code" href="debug_8h.html#a12">nlstop</a>;
+00070 <font class="comment">// setUniTime (uTime, getLocalTime ());</font>
+00071 }
+00072
+00073
+00074
+<a name="l00075"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d0">00075</a> <a class="code" href="namespaceNLMISC.html#a183">TTime</a> _CUniTime::getUniTime ()
+00076 {
+00077 <a class="code" href="debug_8h.html#a12">nlstop</a>;
+00078 <font class="keywordflow">return</font> 0;
+00079 <font class="comment">/* if (!Sync)</font>
+00080 <font class="comment"> {</font>
+00081 <font class="comment"> nlerror ("called getUniTime before calling syncUniTimeFromServer");</font>
+00082 <font class="comment"> }</font>
+00083 <font class="comment"> return getLocalTime () - (_SyncLocalTime - _SyncUniTime);</font>
+00084 <font class="comment">*/</font>
+00085 }
+00086
+00087
+<a name="l00088"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d1">00088</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *_CUniTime::getStringUniTime ()
+00089 {
+00090 <a class="code" href="debug_8h.html#a12">nlstop</a>;
+00091 <font class="keywordflow">return</font> <a class="code" href="classNLNET_1_1__CUniTime.html#d1">getStringUniTime</a>(_CUniTime::getUniTime());
+00092 }
+00093
+00094
+<a name="l00095"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d2">00095</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *_CUniTime::getStringUniTime (<a class="code" href="namespaceNLMISC.html#a183">TTime</a> ut)
+00096 {
+00097 <a class="code" href="debug_8h.html#a12">nlstop</a>;
+00098 <font class="keyword">static</font> <font class="keywordtype">char</font> str[512];
+00099
+00100 uint32 ms = (uint32) (ut % 1000); <font class="comment">// time in ms 1000ms dans 1s</font>
+00101 ut /= 1000;
+00102
+00103 uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a> = (uint32) (ut % 60); <font class="comment">// time in seconds 60s dans 1mn</font>
+00104 ut /= 60;
+00105
+00106 uint32 m = (uint32) (ut % 60); <font class="comment">// time in minutes 60m dans 1h</font>
+00107 ut /= 60;
+00108
+00109 uint32 h = (uint32) (ut % 9); <font class="comment">// time in hours 9h dans 1j</font>
+00110 ut /= 9;
+00111
+00112 uint32 day = (uint32) (ut % (8*4)); <font class="comment">// time in days 8day dans 1month</font>
+00113 ut /= 8;
+00114
+00115 uint32 week = (uint32) (ut % 4); <font class="comment">// time in weeks 4week dans 1month</font>
+00116 ut /= 4;
+00117
+00118 uint32 month = (uint32) (ut % 12); <font class="comment">// time in months 12month dans 1year</font>
+00119 ut /= 12;
+00120
+00121 uint year = (uint32) ut; <font class="comment">// time in years</font>
+00122
+00123 <a class="code" href="namespaceNLMISC.html#a211">smprintf</a> (str, 512, <font class="stringliteral">"%02d/%02d/%04d (week %d) %02d:%02d:%02d.%03d"</font>, day+1, month+1, year+1, week+1, h, m, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, ms);
+00124 <font class="keywordflow">return</font> str;
+00125 }
+00126
+00132
+00133 <font class="keyword">static</font> <font class="keywordtype">bool</font> <a class="code" href="namespaceNLNET.html#a72">GetUniversalTime</a>;
+00134 <font class="keyword">static</font> uint32 <a class="code" href="namespaceNLNET.html#a73">GetUniversalTimeSecondsSince1970</a>;
+00135 <font class="keyword">static</font> <a class="code" href="namespaceNLMISC.html#a183">TTime</a> <a class="code" href="namespaceNLNET.html#a74">GetUniversalTimeUniTime</a>;
+00136
+00137
+00138 <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNLNET.html#a153">cbGetUniversalTime</a> (CMessage &amp;msgin, <a class="code" href="namespaceNLNET.html#a0">TSockId</a> from, CCallbackNetBase &amp;netbase)
+00139 {
+00140 <a class="code" href="debug_8h.html#a12">nlstop</a>;
+00141 <font class="comment">// get the association between a date and unitime</font>
+00142 msgin.serial (<a class="code" href="namespaceNLNET.html#a73">GetUniversalTimeSecondsSince1970</a>);
+00143 msgin.serial (<a class="code" href="namespaceNLNET.html#a74">GetUniversalTimeUniTime</a>);
+00144 <a class="code" href="namespaceNLNET.html#a72">GetUniversalTime</a> = <font class="keyword">true</font>;
+00145 }
+00146
+00147 <font class="comment">/***************************************************************/</font>
+00148 <font class="comment">/******************* THE FOLLOWING CODE IS COMMENTED OUT *******/</font>
+00149 <font class="comment">/***************************************************************</font>
+00150 <font class="comment">static TCallbackItem UniTimeCallbackArray[] =</font>
+00151 <font class="comment">{</font>
+00152 <font class="comment"> { "GUT", cbGetUniversalTime }</font>
+00153 <font class="comment">};</font>
+00154 <font class="comment">***************************************************************/</font>
+00155
+<a name="l00156"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d3">00156</a> <font class="keywordtype">void</font> _CUniTime::syncUniTimeFromService (CCallbackNetBase::TRecordingState rec, <font class="keyword">const</font> CInetAddress *<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>)
+00157 {
+00158 <a class="code" href="debug_8h.html#a12">nlstop</a>;
+00159 <font class="comment">/***************************************************************/</font>
+00160 <font class="comment">/******************* THE FOLLOWING CODE IS COMMENTED OUT *******/</font>
+00161 <font class="comment">/***************************************************************</font>
+00162 <font class="comment"> TTime deltaAdjust, lt;</font>
+00163 <font class="comment"> uint32 firstsecond, nextsecond;</font>
+00164 <font class="comment"> TTime before, after, delta;</font>
+00165 <font class="comment"></font>
+00166 <font class="comment"> // create a message with type in the full text format</font>
+00167 <font class="comment"> CMessage msgout ("AUT");</font>
+00168 <font class="comment"> CCallbackClient server( rec, "TS.nmr" );</font>
+00169 <font class="comment"> server.addCallbackArray (UniTimeCallbackArray, sizeof (UniTimeCallbackArray) / sizeof (UniTimeCallbackArray[0]));</font>
+00170 <font class="comment"></font>
+00171 <font class="comment"> if (addr == NULL)</font>
+00172 <font class="comment"> {</font>
+00173 <font class="comment"> CNamingClient::lookupAndConnect ("TS", server);</font>
+00174 <font class="comment"> }</font>
+00175 <font class="comment"> else</font>
+00176 <font class="comment"> {</font>
+00177 <font class="comment"> server.connect (*addr);</font>
+00178 <font class="comment"> }</font>
+00179 <font class="comment"></font>
+00180 <font class="comment"> if (!server.connected()) goto error;</font>
+00181 <font class="comment"></font>
+00182 <font class="comment"> server.send (msgout);</font>
+00183 <font class="comment"></font>
+00184 <font class="comment"> // before time</font>
+00185 <font class="comment"> before = CTime::getLocalTime ();</font>
+00186 <font class="comment"></font>
+00187 <font class="comment"> // receive the answer</font>
+00188 <font class="comment"> GetUniversalTime = false;</font>
+00189 <font class="comment"> while (!GetUniversalTime)</font>
+00190 <font class="comment"> {</font>
+00191 <font class="comment"> if (!server.connected()) goto error;</font>
+00192 <font class="comment"> </font>
+00193 <font class="comment"> server.update ();</font>
+00194 <font class="comment"></font>
+00195 <font class="comment"> nlSleep( 0 );</font>
+00196 <font class="comment"> }</font>
+00197 <font class="comment"></font>
+00198 <font class="comment"> // after, before and delta is not used. It's only for information purpose.</font>
+00199 <font class="comment"> after = CTime::getLocalTime ();</font>
+00200 <font class="comment"> delta = after - before;</font>
+00201 <font class="comment"></font>
+00202 <font class="comment"> nlinfo ("_CUniTime::syncUniTimeFromService(): ping:%"NL_I64"dms, time:%ds, unitime:%"NL_I64"dms", delta, GetUniversalTimeSecondsSince1970, GetUniversalTimeUniTime);</font>
+00203 <font class="comment"></font>
+00204 <font class="comment">// &lt;-- from here to the "--&gt;" comment, the block must be executed in less than one second or an infinite loop occurs</font>
+00205 <font class="comment"></font>
+00206 <font class="comment"> // get the second</font>
+00207 <font class="comment"> firstsecond = CTime::getSecondsSince1970 ();</font>
+00208 <font class="comment"> nextsecond = firstsecond+1;</font>
+00209 <font class="comment"> </font>
+00210 <font class="comment"> // wait the next start of the second (take 100% of CPU to be more accurate)</font>
+00211 <font class="comment"> while (nextsecond != CTime::getSecondsSince1970 ())</font>
+00212 <font class="comment"> nlassert (CTime::getSecondsSince1970 () &lt;= nextsecond);</font>
+00213 <font class="comment"></font>
+00214 <font class="comment">// --&gt;</font>
+00215 <font class="comment"></font>
+00216 <font class="comment"> // get the local time of the beginning of the next second</font>
+00217 <font class="comment"> lt = CTime::getLocalTime ();</font>
+00218 <font class="comment"></font>
+00219 <font class="comment"> if ( ! _Simulate )</font>
+00220 <font class="comment"> {</font>
+00221 <font class="comment"> if (abs((sint32)((TTime)nextsecond - (TTime)GetUniversalTimeSecondsSince1970)) &gt; 10)</font>
+00222 <font class="comment"> {</font>
+00223 <font class="comment"> nlerror ("the time delta (between me and the Time Service) is too big (more than 10s), servers aren't NTP synchronized");</font>
+00224 <font class="comment"> goto error;</font>
+00225 <font class="comment"> }</font>
+00226 <font class="comment"> </font>
+00227 <font class="comment"> // compute the delta between the other side and our side number of second since 1970</font>
+00228 <font class="comment"> deltaAdjust = ((TTime) nextsecond - (TTime) GetUniversalTimeSecondsSince1970) * 1000;</font>
+00229 <font class="comment"></font>
+00230 <font class="comment"> // adjust the unitime to the current localtime</font>
+00231 <font class="comment"> GetUniversalTimeUniTime += deltaAdjust;</font>
+00232 <font class="comment"></font>
+00233 <font class="comment"> nlinfo ("_CUniTime::syncUniTimeFromService(): rtime:%ds, runitime:%"NL_I64"ds, rlocaltime:%"NL_I64"d, deltaAjust:%"NL_I64"dms", nextsecond, GetUniversalTimeUniTime, lt, deltaAdjust);</font>
+00234 <font class="comment"> }</font>
+00235 <font class="comment"> else</font>
+00236 <font class="comment"> {</font>
+00237 <font class="comment"> nlinfo ("_CUniTime::syncUniTimeFromService(): runitime:%"NL_I64"ds, rlocaltime:%"NL_I64"d", GetUniversalTimeUniTime, lt);</font>
+00238 <font class="comment"> }</font>
+00239 <font class="comment"></font>
+00240 <font class="comment"> _CUniTime::setUniTime (GetUniversalTimeUniTime, lt);</font>
+00241 <font class="comment"></font>
+00242 <font class="comment"> server.disconnect ();</font>
+00243 <font class="comment"> return;</font>
+00244 <font class="comment"></font>
+00245 <font class="comment">error:</font>
+00246 <font class="comment"> nlerror ("Time Service is not found, lost or can't synchronize universal time");</font>
+00247 <font class="comment">***************************************************************/</font>
+00248
+00249 }
+00250
+00251
+00252
+00258
+00259 <font class="comment">// Server part</font>
+00260
+00261 <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNLNET.html#a154">cbServerAskUniversalTime</a> (CMessage&amp; msgin, <a class="code" href="namespaceNLNET.html#a0">TSockId</a> from, CCallbackNetBase &amp;netbase)
+00262 {
+00263 <a class="code" href="debug_8h.html#a12">nlstop</a>;
+00264 <a class="code" href="namespaceNLMISC.html#a183">TTime</a> ut = _CUniTime::getUniTime ();
+00265
+00266 <font class="comment">// afficher l adresse de celui qui demande</font>
+00267 <a class="code" href="debug_8h.html#a1">nlinfo</a>(<font class="stringliteral">"Send the universal time %"</font>NL_I64<font class="stringliteral">"d to '%s'"</font>, ut, netbase.hostAddress(from).asString().c_str());
+00268
+00269 CMessage msgout (netbase.getSIDA(), <font class="stringliteral">"GUT"</font>);
+00270 msgout.serial (ut);
+00271 netbase.send (msgout, from);
+00272 }
+00273
+00274 TCallbackItem <a class="code" href="namespaceNLNET.html#a75">ServerTimeServiceCallbackArray</a>[] =
+00275 {
+00276 { <font class="stringliteral">"AUT"</font>, <a class="code" href="namespaceNLNET.html#a154">cbServerAskUniversalTime</a> },
+00277 };
+00278
+<a name="l00279"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d4">00279</a> <font class="keywordtype">void</font> _CUniTime::installServer (CCallbackServer *server)
+00280 {
+00281 <a class="code" href="debug_8h.html#a12">nlstop</a>;
+00282 <font class="keyword">static</font> <font class="keywordtype">bool</font> alreadyAddedCallback = <font class="keyword">false</font>;
+00283 <a class="code" href="debug_8h.html#a6">nlassert</a> (server != NULL);
+00284 <a class="code" href="debug_8h.html#a6">nlassert</a> (!alreadyAddedCallback);
+00285
+00286 server-&gt;addCallbackArray (<a class="code" href="namespaceNLNET.html#a75">ServerTimeServiceCallbackArray</a>, <font class="keyword">sizeof</font> (<a class="code" href="namespaceNLNET.html#a75">ServerTimeServiceCallbackArray</a>) / <font class="keyword">sizeof</font> (<a class="code" href="namespaceNLNET.html#a75">ServerTimeServiceCallbackArray</a>[0]));
+00287 alreadyAddedCallback = <font class="keyword">true</font>;
+00288 }
+00289
+00290 <font class="comment">// Client part</font>
+00291
+00292 <font class="keyword">static</font> <font class="keywordtype">bool</font> <a class="code" href="namespaceNLNET.html#a76">GetClientUniversalTime</a>;
+00293 <font class="keyword">static</font> <a class="code" href="namespaceNLMISC.html#a183">TTime</a> <a class="code" href="namespaceNLNET.html#a77">GetClientUniversalTimeUniTime</a>;
+00294
+00295 <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNLNET.html#a155">cbClientGetUniversalTime</a> (CMessage &amp;msgin, <a class="code" href="namespaceNLNET.html#a0">TSockId</a> from, CCallbackNetBase &amp;netbase)
+00296 {
+00297 <a class="code" href="debug_8h.html#a12">nlstop</a>;
+00298 <font class="comment">// get the association between a date and unitime</font>
+00299 msgin.serial (<a class="code" href="namespaceNLNET.html#a77">GetClientUniversalTimeUniTime</a>);
+00300 <a class="code" href="namespaceNLNET.html#a76">GetClientUniversalTime</a> = <font class="keyword">true</font>;
+00301 }
+00302
+00303 <font class="comment">/***************************************************************/</font>
+00304 <font class="comment">/******************* THE FOLLOWING CODE IS COMMENTED OUT *******/</font>
+00305 <font class="comment">/***************************************************************</font>
+00306 <font class="comment">static TCallbackItem ClientUniTimeCallbackArray[] =</font>
+00307 <font class="comment">{</font>
+00308 <font class="comment"> { "GUT", cbClientGetUniversalTime }</font>
+00309 <font class="comment">};</font>
+00310 <font class="comment">***************************************************************/</font>
+00311
+00312
+<a name="l00313"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d5">00313</a> <font class="keywordtype">void</font> _CUniTime::syncUniTimeFromServer (CCallbackClient *client)
+00314 {
+00315 <a class="code" href="debug_8h.html#a12">nlstop</a>;
+00316 <font class="comment">/***************************************************************/</font>
+00317 <font class="comment">/******************* THE FOLLOWING CODE IS COMMENTED OUT *******/</font>
+00318 <font class="comment">/***************************************************************</font>
+00319 <font class="comment"></font>
+00320 <font class="comment"> static bool alreadyAddedCallback = false;</font>
+00321 <font class="comment"> nlassert (client != NULL);</font>
+00322 <font class="comment"></font>
+00323 <font class="comment"> if (!alreadyAddedCallback)</font>
+00324 <font class="comment"> {</font>
+00325 <font class="comment"> client-&gt;addCallbackArray (ClientUniTimeCallbackArray, sizeof (ClientUniTimeCallbackArray) / sizeof (ClientUniTimeCallbackArray[0]));</font>
+00326 <font class="comment"> alreadyAddedCallback = true;</font>
+00327 <font class="comment"> }</font>
+00328 <font class="comment"></font>
+00329 <font class="comment"> sint attempt = 0;</font>
+00330 <font class="comment"> TTime bestdelta = 60000; // 1 minute</font>
+00331 <font class="comment"></font>
+00332 <font class="comment"> if (!client-&gt;connected ()) goto error;</font>
+00333 <font class="comment"></font>
+00334 <font class="comment"> while (attempt &lt; 10)</font>
+00335 <font class="comment"> {</font>
+00336 <font class="comment"> CMessage msgout (client-&gt;getSIDA(), "AUT");</font>
+00337 <font class="comment"></font>
+00338 <font class="comment"> if (!client-&gt;connected()) goto error;</font>
+00339 <font class="comment"></font>
+00340 <font class="comment"> // send the message</font>
+00341 <font class="comment"> client-&gt;send (msgout);</font>
+00342 <font class="comment"></font>
+00343 <font class="comment"> // before time</font>
+00344 <font class="comment"> TTime before = CTime::getLocalTime ();</font>
+00345 <font class="comment"></font>
+00346 <font class="comment"> // receive the answer</font>
+00347 <font class="comment"> GetClientUniversalTime = false;</font>
+00348 <font class="comment"> while (!GetClientUniversalTime)</font>
+00349 <font class="comment"> {</font>
+00350 <font class="comment"> if (!client-&gt;connected()) goto error;</font>
+00351 <font class="comment"> </font>
+00352 <font class="comment"> client-&gt;update ();</font>
+00353 <font class="comment"> }</font>
+00354 <font class="comment"></font>
+00355 <font class="comment"> TTime after = CTime::getLocalTime (), delta = after - before;</font>
+00356 <font class="comment"></font>
+00357 <font class="comment"> if (delta &lt; 10 || delta &lt; bestdelta)</font>
+00358 <font class="comment"> {</font>
+00359 <font class="comment"> bestdelta = delta;</font>
+00360 <font class="comment"></font>
+00361 <font class="comment"> _CUniTime::setUniTime (GetClientUniversalTimeUniTime, (before+after)/2);</font>
+00362 <font class="comment"></font>
+00363 <font class="comment"> if (delta &lt; 10) break;</font>
+00364 <font class="comment"> }</font>
+00365 <font class="comment"> attempt++;</font>
+00366 <font class="comment"> }</font>
+00367 <font class="comment"> client-&gt;disconnect ();</font>
+00368 <font class="comment"> nlinfo ("Universal time is %"NL_I64"dms with a mean error of %"NL_I64"dms", _CUniTime::getUniTime(), bestdelta/2);</font>
+00369 <font class="comment"> return;</font>
+00370 <font class="comment">error:</font>
+00371 <font class="comment"> nlwarning ("there's no connection or lost or can't synchronize universal time");</font>
+00372 <font class="comment">***************************************************************/</font>
+00373 }
+00374
+00375
+00376 <font class="comment">//</font>
+00377 <font class="comment">// Commands</font>
+00378 <font class="comment">//</font>
+00379 <font class="comment">/*</font>
+00380 <font class="comment">NLMISC_COMMAND (time, "displays the universal time", "")</font>
+00381 <font class="comment">{</font>
+00382 <font class="comment"> if(args.size() != 0) return false;</font>
+00383 <font class="comment"></font>
+00384 <font class="comment"> if ( _CUniTime::Sync )</font>
+00385 <font class="comment"> {</font>
+00386 <font class="comment"> log.displayNL ("CTime::getLocalTime(): %"NL_I64"dms, _CUniTime::getUniTime(): %"NL_I64"dms", CTime::getLocalTime (), _CUniTime::getUniTime ());</font>
+00387 <font class="comment"> log.displayNL ("_CUniTime::getStringUniTime(): '%s'", _CUniTime::getStringUniTime());</font>
+00388 <font class="comment"> }</font>
+00389 <font class="comment"> else</font>
+00390 <font class="comment"> {</font>
+00391 <font class="comment"> log.displayNL ("CTime::getLocalTime(): %"NL_I64"dms &lt;Universal time not sync&gt;", CTime::getLocalTime ());</font>
+00392 <font class="comment"> }</font>
+00393 <font class="comment"></font>
+00394 <font class="comment"> return true;</font>
+00395 <font class="comment">}</font>
+00396 <font class="comment">*/</font>
+00397
+00398 } <font class="comment">// NLNET</font>
+</pre></div>
+
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